Mercerville climate

Mercerville Weather in August

NOAA 1991-2020 normals for Hightstown 2 W, 10.8 km from Mercerville

Average highs run from 86°F on August 1 to 83°F on August 31, and lows from 63°F to 59°F. Normal precipitation for the month is 4.29 in over about 10 wet days.

August day by day

The normal high and low for each date, and the record, in °F.

Normal daily high and low temperature at Mercerville, in °F, with the record for each date.406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

August at a glance

Average high
85°F
Average low
61°F
Precipitation
4.29 in
Record high
100°FAug 2, 2002
Record low
49°FAug 21, 2000
Chance of a freeze
0%
Days of 90°F or more
6.6
Daylight
14 h 16 min to 13 h 07 min
Cloud cover
55%
Humidity
76%
Dew point
65°F
Wind
7.4 mph

Every day of the month

A wet day has at least 0.01 inch of precipitation; snow means at least 0.1 inch of snowfall.

DateNormal highNormal lowRecord highRecord lowChance wetChance of snow
Aug 186°F63°F99°F 199958°F 199835%0%
Aug 286°F62°F100°F 200255°F 199835%0%
Aug 386°F62°F97°F 200656°F 199835%0%
Aug 486°F62°F96°F 200557°F 202535%0%
Aug 586°F62°F95°F 200555°F 201334%0%
Aug 686°F62°F93°F 201856°F 200434%0%
Aug 786°F62°F95°F 200156°F 200434%0%
Aug 886°F62°F97°F 200754°F 200434%0%
Aug 986°F62°F99°F 200156°F 202534%0%
Aug 1086°F62°F96°F 201054°F 199934%0%
Aug 1186°F62°F96°F 201056°F 200834%0%
Aug 1285°F61°F96°F 200258°F 200634%0%
Aug 1385°F61°F98°F 200254°F 200634%0%
Aug 1485°F61°F99°F 200257°F 201334%0%
Aug 1585°F61°F95°F 200254°F 201334%0%
Aug 1685°F61°F95°F 200253°F 201433%0%
Aug 1785°F61°F96°F 200255°F 201333%0%
Aug 1885°F61°F96°F 200256°F 194533%0%
Aug 1985°F61°F95°F 200255°F 200032%0%
Aug 2085°F60°F93°F 201050°F 199832%0%
Aug 2185°F60°F93°F 200949°F 200032%0%
Aug 2284°F60°F92°F 200352°F 202432%0%
Aug 2384°F60°F87°F 199853°F 202431%0%
Aug 2484°F60°F92°F 199851°F 200331%0%
Aug 2584°F60°F93°F 200754°F 194531%0%
Aug 2684°F60°F93°F 201655°F 200830%0%
Aug 2784°F59°F92°F 202054°F 202530%0%
Aug 2884°F59°F95°F 201849°F 202530%0%
Aug 2983°F59°F97°F 201056°F 201130%0%
Aug 3083°F59°F95°F 201051°F 202530%0%
Aug 3183°F59°F98°F 201050°F 202530%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Mercerville, in percent, and of at least 0.1 inch of snowfall.0102030401102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (EDT).

August 1
sunrise 5:57 AM, sunset 8:13 PM
August 31
sunrise 6:25 AM, sunset 7:32 PM

Every day of August: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00283951 (Hightstown 2 W), public domain. Records: NOAA GHCN-Daily, station USW00014792, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.